The software will check a user's Facebook settings and offer suggested improvements

Trend Micro is adding the often confusing world of Facebook privacy settings to a new version of its flagship security software.

Version 3 of the company's Trend Micro Mobile Security, available for Android users this week, will check a user's Facebook settings and offer advice on changes intended to help keep personal information secure.

More than a billion people use Facebook, often sharing private and intimate moments of their life that can provide a wealth of information for about their lives. More than a third of users profess to not knowing much about the site's privacy settings and often share things in public without realizing it, said Greg Boyle, a marketing manager at Trend Micro.

In addition to virus and malware scanning and protection against phishing, the paid version of the software also includes a data back-up service that can include the phone's photos, music, calendar, videos, text messages and call history. The first 50MB of back-up space is free and an additional 5GB will cost US$2 per month.

Trend Micro Mobile Security version 3.0 costs $30 and is available now on Google Play.

The software was announced at the Mobile World Congress exhibition, which is taking place all this week in Barcelona.